Win32/Delf.NXE [Threat Name] go to Threat

Win32/Delf.NXE [Threat Variant Name]

Category trojan
Size 609792 B
Detection created Jan 16, 2009
Detection database version 3770
Aliases Backdoor.Win32.Delf.uay (Kaspersky)
  PWS:Win32/Mmosteal (Microsoft)
Short description

The trojan serves as a backdoor. It can be controlled remotely. The file is run-time compressed using Obsidium .

Installation

The trojan does not create any copies of itself.


In order to be executed on every system start, the trojan sets the following Registry entries:

  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "windows" = "%malwarepath%"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Winlogon]
    • "Userinit" = "%originalvalue%, %malwarepath%"
Other information

The trojan acquires data and commands from a remote computer or the Internet.


The trojan contains a list of (1) URLs.


The HTTP protocol is used.


It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • send files to a remote computer
  • steal information from the Windows clipboard
  • various filesystem operations
  • run executable files
  • terminate running processes
  • update itself to a newer version
  • perform DoS/DDoS attacks
  • shut down/restart the computer
  • capture screenshots
  • log keystrokes
  • show/hide application windows

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